diff options
Diffstat (limited to 'gcc/tree-vectorizer.c')
| -rw-r--r-- | gcc/tree-vectorizer.c | 41 |
1 files changed, 13 insertions, 28 deletions
diff --git a/gcc/tree-vectorizer.c b/gcc/tree-vectorizer.c index e4de78637d3..b70f434b89c 100644 --- a/gcc/tree-vectorizer.c +++ b/gcc/tree-vectorizer.c @@ -3652,9 +3652,10 @@ vect_stmt_relevant_p (tree stmt, loop_vec_info loop_vinfo) v_may_def_optype v_may_defs; v_must_def_optype v_must_defs; struct loop *loop = LOOP_VINFO_LOOP (loop_vinfo); - int i; - dataflow_t df; - int num_uses; + ssa_op_iter op_iter; + imm_use_iterator imm_iter; + use_operand_p use_p; + tree var; /* cond stmt other than loop exit cond. */ if (is_ctrl_stmt (stmt) && (stmt != LOOP_VINFO_EXIT_COND (loop_vinfo))) @@ -3671,17 +3672,17 @@ vect_stmt_relevant_p (tree stmt, loop_vec_info loop_vinfo) } /* uses outside the loop. */ - df = get_immediate_uses (stmt); - num_uses = num_immediate_uses (df); - for (i = 0; i < num_uses; i++) + FOR_EACH_SSA_TREE_OPERAND (var, stmt, op_iter, SSA_OP_DEF) { - tree use = immediate_use (df, i); - basic_block bb = bb_for_stmt (use); - if (!flow_bb_inside_loop_p (loop, bb)) + FOR_EACH_IMM_USE_FAST (use_p, imm_iter, var) { - if (vect_debug_details (NULL)) - fprintf (dump_file, "vec_stmt_relevant_p: used out of loop."); - return true; + basic_block bb = bb_for_stmt (USE_STMT (use_p)); + if (!flow_bb_inside_loop_p (loop, bb)) + { + if (vect_debug_details (NULL)) + fprintf (dump_file, "vec_stmt_relevant_p: used out of loop."); + return true; + } } } @@ -4073,19 +4074,6 @@ vect_analyze_loop (struct loop *loop) } -/* Function need_imm_uses_for. - - Return whether we ought to include information for 'var' - when calculating immediate uses. For this pass we only want use - information for non-virtual variables. */ - -static bool -need_imm_uses_for (tree var) -{ - return is_gimple_reg (var); -} - - /* Function vectorize_loops. Entry Point to loop vectorization phase. */ @@ -4105,8 +4093,6 @@ vectorize_loops (struct loops *loops) return; } - compute_immediate_uses (TDFA_USE_OPS, need_imm_uses_for); - /* ----------- Analyze loops. ----------- */ /* If some loop was duplicated, it gets bigger number @@ -4137,7 +4123,6 @@ vectorize_loops (struct loops *loops) /* ----------- Finalize. ----------- */ - free_df (); for (i = 1; i < loops_num; i++) { struct loop *loop = loops->parray[i]; |